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   <h1>Gasmeter Web Server</h1>
   <p>REST API:</p>
   <ul>
   <li>GET/POST&emsp;/accounts&emsp;#获取所有用户信息/新建用户</li>
   <li>GET/DELETE/PUT&emsp;/accounts/&lt;accountid>&emsp;#获取accountid用户信息/删除accountid用户/更新accountid用户信息</li>
   <li>POST&emsp;/accounts/&lt;accountid>/recharge&emsp;#accountid用户充值</li>
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